Superfamily Rissoacoidea Family Hydrobiidae Genus Akiyoshia Genus Alzoniella Genus Amnicola Genus Angrobia Genus Antrobia Genus Antroselates Genus Aphaostracon Genus Arganiella Genus Ascorhis Genus Avenionia Genus Belgrandia Genus Belgrandiella Genus Birgella Genus Bythinella Genus Bythiospeum Genus Catapyrgus Genus Cincinnatia Genus Cochliopa Genus Cochliopina Genus Fluminicola Genus Fluvidona Genus Fluviopupa Genus Fonscochlea Genus Fontigens Genus Grossuana Genus Hadopyrgus Genus Hadziella Genus Hauffenia Genus Hemistomia Genus Horatia Genus Hoyia Genus Hydrobia Genus Iglica Genus Islamia Genus Jardinella Genus Lanzaia Genus Lartetia Genus Lepyrium Genus Lithoglyphus Genus Littoridina Genus Littoridinops Genus Lobogenes Genus Marstoniopsis Genus Mercuria Genus Moitessieria Genus Notogillia Genus Opacuincola Genus Paludinella Genus Pauluccia Genus Paxillostium Genus Peringia Genus Petterdiana Genus Phrantela Genus Posticobia Genus Potamogyrus Genus Potamopyrgus Genus Probythinella Genus Pseudamnicola Genus Pseudavenionia Genus Pyrgophorus Genus Pyrgulopsis Genus Raphinema Genus Sadleriana Genus Saganoa Genus Soapitia Genus Somatogyrus Genus Spilochlamys Genus Stiobia Genus Tatea Genus Trochidrobia Genus Tryonia Genus Ventrosia Subfamily Cochliopinae Genus Heleobia

Hydrobia ventrosa(Montagu,1803) Shell cone-shaped with 5-7 whorls,glossy,dark brown-greenish. Height 6,2 mm x width 3,0 mm. T ...

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